minor bugfix
Merge branch 'RC-2.3' of https://github.com/joergkappes/opengm into RC-2.3
Merge pull request #214 from DerThorsten/master

changed visitors to new
Merge pull request #55 from opengm/RC-2.3

update from opengm:RC-2.3
Merge pull request #215 from joergkappes/RC-2.3

minor cmake bug with matlab
fix typo in include
fix typo in include
remove sampling methods from matlabtool
fix GCO-patch
bugfix: default timelimit need to be finite
Merge pull request #216 from joergkappes/RC-2.3

small bugfixes
refactor libdai wrappers for the new visitors
Merge pull request #217 from joergkappes/RC-2.3

refactor libdai wrappers for the new visitors
add simple lower bound for FastPD - Thanks to Bogdan Savchynskyy
Merge pull request #218 from joergkappes/RC-2.3

add simple lower bound for FastPD - Thanks to Bogdan Savchynskyy
Merge pull request #23 from opengm/RC-2.3

from rc2.3